213011219 has 2 divisors, whose sum is σ = 213011220. Its totient is φ = 213011218.

The previous prime is 213011203. The next prime is 213011233. The reversal of 213011219 is 912110312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213011219 - 2⁴ = 213011203 is a prime.

It is a super-2 number, since 2×213011219² = 90747558839731922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213011219.

It is not a weakly prime, because it can be changed into another prime (213011269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505609 + 106505610.

It is an arithmetic number, because the mean of its divisors is an integer number (106505610).

Almost surely, 2^213011219 is an apocalyptic number.

213011219 is a deficient number, since it is larger than the sum of its proper divisors (1).

213011219 is an equidigital number, since it uses as much as digits as its factorization.

213011219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 213011219 is about 14594.9038708722. The cubic root of 213011219 is about 597.2197470735.

The spelling of 213011219 in words is "two hundred thirteen million, eleven thousand, two hundred nineteen".